Product	Supported
Atlas 350 Accelerator Card	☓
Atlas A3 training product/Atlas A3 inference product	√
Atlas A2 training product/Atlas A2 inference product	☓
Atlas 200I/500 A2 inference product	☓
Atlas inference product	☓
Atlas training product	☓

Deregisters the virtual memory corresponding to a registered symmetric window and releases the symmetric window resources.

HcclResult HcclCommSymWinDeregister(HcclCommSymWindow winHandle)

Parameter	Input/Output	Description
winHandle	Input	Handle to a registered symmetric window. For details about the definition of the HcclCommSymWindow type, see HcclCommSymWindow.

Parameter

Input/Output

Description

winHandle

Input

Handle to a registered symmetric window.

For details about the definition of the HcclCommSymWindow type, see HcclCommSymWindow.

HcclResult: HCCL_SUCCESS on success, or else failure.

This API must be used together with HcclCommSymWinRegister.
This API must be called collectively by all ranks within the communicator to release the symmetric window resources.